/Engine/Source/Runtime/InteractiveToolsFramework/Public/BaseBehaviors/AnyButtonInputBehavior.h
ReturnsFDeviceButtonStatefor target active device button
[FDeviceButtonState](API\Runtime\InteractiveToolsFramework\FDeviceButtonState) GetButtonStateFunc ( const [FInputDeviceState](API\Runtime\InteractiveToolsFramework\FInputDeviceState) & Input )